20=4n+3+2n-7

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Solution for 20=4n+3+2n-7 equation: 



20=4n+3+2n-7

We move all terms to the left:

20-(4n+3+2n-7)=0

We add all the numbers together, and all the variables

-(6n-4)+20=0

We get rid of parentheses

-6n+4+20=0

We add all the numbers together, and all the variables

-6n+24=0

We move all terms containing n to the left, all other terms to the right

-6n=-24

n=-24/-6

n=+4

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